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Old 03-04-2013, 03:49 PM   #1
jolt
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GPG or BlowFish

Is possible to encrypt any text or sms in my kindle 3 K?

Anybody can help me to make this? I can compile it in C. Using OpenSSL lib or not.

Only symetric encrypt
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Old 03-04-2013, 09:55 PM   #2
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[root@kindle root]# which openssl
Quote:
/usr/bin/openssl
That's on a bog-standard kindle 3. As-in like it was delivered... untouched, virgin, etc.

Code:
Standard commands
asn1parse      ca             ciphers        crl            crl2pkcs7      
dgst           dh             dhparam        dsa            dsaparam       
ec             ecparam        enc            engine         errstr         
gendh          gendsa         genrsa         nseq           ocsp           
passwd         pkcs12         pkcs7          pkcs8          prime          
rand           req            rsa            rsautl         s_client       
s_server       s_time         sess_id        smime          speed          
spkac          verify         version        x509           

Message Digest commands (see the `dgst' command for more details)
md2            md4            md5            rmd160         sha            
sha1           

Cipher commands (see the `enc' command for more details)
aes-128-cbc    aes-128-ecb    aes-192-cbc    aes-192-ecb    aes-256-cbc    
aes-256-ecb    base64         bf             bf-cbc         bf-cfb         
bf-ecb         bf-ofb         cast           cast-cbc       cast5-cbc      
cast5-cfb      cast5-ecb      cast5-ofb      des            des-cbc        
des-cfb        des-ecb        des-ede        des-ede-cbc    des-ede-cfb    
des-ede-ofb    des-ede3       des-ede3-cbc   des-ede3-cfb   des-ede3-ofb   
des-ofb        des3           desx           idea           idea-cbc       
idea-cfb       idea-ecb       idea-ofb       rc2            rc2-40-cbc     
rc2-64-cbc     rc2-cbc        rc2-cfb        rc2-ecb        rc2-ofb        
rc4            rc4-40
that do you?

Last edited by twobob; 03-04-2013 at 11:17 PM. Reason: That's on a bog-standard kindle 3
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Old 03-06-2013, 03:48 AM   #3
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Yes, but tell me what i can use it?

Simple example:
encrypt

echo "Test" | openssl enc -aes-256-cbc -salt -a
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Old 03-06-2013, 05:48 AM   #4
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[root@kindle root]# echo "Test" | openssl enc -aes-256-cbc -salt -a
Quote:
enter aes-256-cbc encryption password:
Verifying - enter aes-256-cbc encryption password:
U2FsdGVkX1+4IaFNTng94KHDMtp2hLd2iLpceH8Ufj4=
??? I don't know what you mean... That works just fine...

[root@kindle root]# echo "test" > /mnt/us/blowtest
[root@kindle root]# cat /mnt/us/blowtest | openssl enc -aes-256-cbc -salt -a
Quote:
enter aes-256-cbc encryption password:
Verifying - enter aes-256-cbc encryption password:
U2FsdGVkX1+uPTQXBAHJf1nv1T2+QFaeXoHOYO3qrMQ=
What's the problem? To be honest, I am no encryption expert.

Last edited by twobob; 03-06-2013 at 05:52 AM.
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Old 03-06-2013, 06:21 AM   #5
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Problem is:

1. I have kindle 3 keyboard
2 I'm haven't any computer only kindle.
3. What i can encrypt and decrypt message?
4. I have jailbreak.

I think i must write a program with gui to use it but what i can to do this? Can You help me?
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Old 03-06-2013, 06:53 AM   #6
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dude.

I did that all on the kindle keyboard.

You can use myts to do that.

No gui required just a terminal surely.. and a shell script maybe.
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Old 03-06-2013, 06:54 AM   #7
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if you WANT to write a gui driven program then use gtk.

There are a few examples of me building a gtk application on here for the 3.

(I think the kterm thread has an example on there)
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Old 03-06-2013, 11:44 AM   #8
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Where?

Quote:
Originally Posted by twobob View Post
if you WANT to write a gui driven program then use gtk.

There are a few examples of me building a gtk application on here for the 3.
Ok, tel me where is example in C and gtk.

terminal is not good idea because .[ba]sh.loging
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Old 03-06-2013, 12:44 PM   #9
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okay Ill dig one up...

I did say in the kterm thread.

Have to be a couple of hours Im going out
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Old 03-06-2013, 11:51 PM   #10
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Old 03-07-2013, 04:32 AM   #11
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This is for kindle touch not kindle keyboard 3g ;(

KKeyb have any XServer? In my opinion not.

is any emulator of kindle?
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Old 03-07-2013, 05:44 AM   #12
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No emulator (I think there is some Java framework emulation in the KDK, though). The K3 doesn't have an X server by default, right. But it has a DirectFB-linked (I think) GTK. Not that I would suggest to use it, though.

I still don't have any idea why you would want to develop this way. Why not simply use console applications? You can always wrap everything in a console program, shell script, whatever. I don't even have an idea of what you really want to archieve. You don't really explain it.
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Old 03-07-2013, 08:33 AM   #13
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Unhappy

Quote:
Originally Posted by jolt View Post
This is for kindle touch not kindle keyboard 3g ;(

KKeyb have any XServer? In my opinion not.

is any emulator of kindle?
what?

that link was for a 3. your device is listed as a 3.

I can barely understand what you are asking for.

and like hawhill have even less idea why you want to do it. please get a better translation or something.
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Old 03-07-2013, 09:10 AM   #14
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Quote:
Originally Posted by jolt View Post
This is for kindle touch not kindle keyboard 3g ;(

KKeyb have any XServer? In my opinion not.

is any emulator of kindle?
http://www.gerv.net/hacking/how-to-ask-good-questions/
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Old 03-07-2013, 09:19 AM   #15
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No emulator
Whole emulator like VirtualBox,qemu etc.
Pity.

terminal is not comfortable.

[I probe to write program. meybe lua is good options to write gui and wxwidges but big library]
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